Please help need answers asap!!

1. 2

Step-by-step explanation:

1. cross multiply then simplify

Answer to problem 1:

x=2

Reasoning:

1) Simplify 10/20 to 1/2

2) Multiply the numerator and denominator by 2 to get 2/4

Answer to problem 4:

1 in: 18 in

Reasoning:

1) Convert 15 feet to inches

15*12=180

2) Use a ratio of 10 inches to 180 in and simplify it to 1:18

Answer to problem 5:

m = 38.44

1) Use the technique "Cross multiplication" and make the following equation

8.45*7.5=3.6m

2) 8.45*7.5=138.375

3) 138.375=3.6m and divide 3.6 from both sides of the equation,

4) You get 38.4375, and round up to the nearest hundredth of 38.44

Answer to problem 6:

92°

When 2 triangles are similar, their lengths are needed to multiplied by a scale factor but, the angles remain the same.

Sorry, I didn't have enough time to answer the other question...

Hope this helped...

i'm not entirely sure

step-by-step explanation:

if you ask home depot or lowe's they might be able to you out